Home / 48,735.60-73,103.40-19,143.60

Finding the Fourth Proportional to 48,735.60, 73,103.40 and 19,143.60

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Solution

The fourth proportional to 48,735.60, 73,103.40 and 19,143.60 is: 28,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,735.60 : 73,103.40 = 19,143.60 : x
  2. Step 2: Convert to fraction form
    48,735.60/73,103.40 = 19,143.60/x
  3. Step 3: Cross multiply
    48,735.60x = 73,103.40 × 19,143.60
  4. Step 4: Simplify right side
    48,735.60x = 1,399,462,248.24
  5. Step 5: Solve for x
    x = 1,399,462,248.24/48,735.60
  6. Step 6: Final answer
    x = 28,715.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.